Dworkin, M S Epidemiologic relation between HIV and invasive pneumococcal disease in San Francisco County, California. [electronic resource] - Annals of internal medicine Jun 2000 - 1009 p. digital Publication Type: Comment; Letter ISSN: 0003-4819 Standard No.: 10.7326/0003-4819-132-12-200006200-00033 doi Subjects--Topical Terms: AIDS-Related Opportunistic Infections--epidemiologyCalifornia--epidemiologyHumansIncidencePneumococcal Infections--epidemiology